201221390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{379663}}^1$

素因数の和:379723

約数の個数: 16

約数和(自身を含む): 369033408

約数和(自身を除く): 167812018

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 379663, 759326, 1898315, 3796630, 20122139, 40244278, 100610695, 201221390]

約数ペア:

[(1, 201221390), (2, 100610695), (5, 40244278), (10, 20122139), (53, 3796630), (106, 1898315), (265, 759326), (530, 379663)]